Somerville has waged a decade-long campaign to reduce rates of obesity among its residents. How is the city and the program shaping up?

Mary Regan has witnessed a transformation outside the front door of her Union Square office in Somerville — new “corrals” provide more parking spaces for bicyclists, angled parking has replaced parallel parking for cars to keep doors from flying open into bicycle lanes, and those lanes have been freshly painted.

At the nearby farmers’ market, $1 in food stamps is worth $2 in produce to help low-income customers afford fresh fruits and vegetables.